Everything is really really good about this apartment and the host. The only disappointment is the location, I would say.
It's a bit secluded from the public transport. There is a motorbike taxi base near the apartment, 35 THB to the On Nut BTS, taxi about 55 THB. It's ok if you go out to the city center everyday, but if you decide to stay in the apartment the whole day for example, the problem is that there's no good places around to eat (although there are many street food stalls just around the corner, but I didn't like any of them so most of the time I just ended up eating at the 7/11 store).
But anyways, the location is very quiet at night, so for some people it may even be a plus :)